Long-Term Debt and Other Financing Arrangements - Summary of Future Aggregate Maturities of Notes Payable (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Debt Disclosure [Abstract]
2024	$ 5,944
Total	$ 5,944

Long-Term Debt, Future Aggregate Maturity, Year One

No definition available.

Name:	owlt_LongTermDebtFutureAggregateMaturityYearOne
Namespace Prefix:	owlt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant